Hitachi at SemEval-2020 Task 12: Offensive Language Identification with Noisy Labels Using Statistical Sampling and Post-Processing. - Manikandan Ravikiran; Amin Ekant Muljibhai; Toshinori Miyoshi; Hiroaki Ozaki; Yuta Koreeda; Sakata Masayuki (SemEval@COLING, 2020)